KR100361210B1 - 반도체 소자의 콘택홀 형성방법 - Google Patents
반도체 소자의 콘택홀 형성방법 Download PDFInfo
- Publication number
- KR100361210B1 KR100361210B1 KR1019990063913A KR19990063913A KR100361210B1 KR 100361210 B1 KR100361210 B1 KR 100361210B1 KR 1019990063913 A KR1019990063913 A KR 1019990063913A KR 19990063913 A KR19990063913 A KR 19990063913A KR 100361210 B1 KR100361210 B1 KR 100361210B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- barrier layer
- etching
- contact hole
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000004065 semiconductor Substances 0.000 title claims abstract description 21
- 238000005530 etching Methods 0.000 claims abstract description 65
- 230000004888 barrier function Effects 0.000 claims abstract description 44
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 229920005591 polysilicon Polymers 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 72
- 239000011229 interlayer Substances 0.000 claims description 16
- 229920002120 photoresistant polymer Polymers 0.000 claims description 13
- -1 spacer nitride Chemical class 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 7
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 3
- 238000007517 polishing process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0149—Manufacturing their interconnections or electrodes, e.g. source or drain electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76819—Smoothing of the dielectric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0135—Manufacturing their gate conductors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0144—Manufacturing their gate insulating layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (3)
- 반도체 기판 상에 게이트 산화막, 게이트 전극 및 탑 산화막을 순차적으로 형성하는 단계;상기 탑 산화막 상에 폴리실리콘으로 제 1 식각 장벽층을 형성하는 단계;게이트 마스크를 이용한 식각 공정으로 상기 제 1 식각 장벽층, 탑 산화막, 게이트 전극 및 게이트 산화막을 순차적으로 식각하여 게이트 전극 패턴을 형성하는 단계;전체구조 상에 질화물질을 형성하고 스페이서 식각 공정을 실시하여, 상기 게이트 전극 패턴 양측부에 스페이서 질화막을 형성하는 단계;전체구조 상에 층간 절연막을 형성한 후 화학적 기계적 연마 공정을 실시하는 단계;상기 층간 절연막 상에 폴리실리콘으로 제 2 식각 장벽층을 형성하는 단계; 및상기 제 2 식각 장벽층 상에 포토레지스트 패턴을 형성하고 제 2 식각 장벽층을 패터닝한 후, 상기 패터닝된 제 2 식각 장벽층을 마스크로 이용하여 상기 반도체 기판이 노출되도록 상기 층간 절연막을 식각하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 콘택홀 형성방법.
- 제 1 항에 있어서,상기 제 1 식각 장벽층은 100 내지 1000Å의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 콘택홀 형성방법.
- 제 1 항에 있어서,상기 제 2 식각 장벽층은 100 내지 1000Å의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 콘택홀 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990063913A KR100361210B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체 소자의 콘택홀 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990063913A KR100361210B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체 소자의 콘택홀 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010061419A KR20010061419A (ko) | 2001-07-07 |
KR100361210B1 true KR100361210B1 (ko) | 2002-11-18 |
Family
ID=19631232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990063913A Expired - Fee Related KR100361210B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체 소자의 콘택홀 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100361210B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101034598B1 (ko) * | 2003-12-30 | 2011-05-12 | 주식회사 하이닉스반도체 | 반도체소자의 랜딩플러그콘택 형성 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09199589A (ja) * | 1996-01-18 | 1997-07-31 | Sony Corp | 配線形成方法 |
JPH1041505A (ja) * | 1996-07-24 | 1998-02-13 | Sony Corp | 半導体装置の製造方法 |
-
1999
- 1999-12-28 KR KR1019990063913A patent/KR100361210B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09199589A (ja) * | 1996-01-18 | 1997-07-31 | Sony Corp | 配線形成方法 |
JPH1041505A (ja) * | 1996-07-24 | 1998-02-13 | Sony Corp | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20010061419A (ko) | 2001-07-07 |
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